Senigallia, 18-19 June 2007
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Transcript of Senigallia, 18-19 June 2007
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Senigallia, 18-19 June 2007
Case Study: Environmental Health Surveillance System
(EHSS)
Athanasios Plessas
Research Academic Computer Technology Institute (RACTI)
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ICT and Civil Protection Senigallia, 18-19 June 2007
Situation Outline
• Problem: managing over the same area urban dwellings, industrial premises and waste management plants
• Great concern about adverse effects caused by air pollutants
• No satisfactory scientific evidence about the effects of pollutants from waste incineration on human health, nor the space dispersion
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ICT and Civil Protection Senigallia, 18-19 June 2007
The project
• ENHance Health (Environmental Health Surveillance System in urban areas near incinerators and industrial premises)
• EU INTERREG IIIC funded• Main objective: the Processing of Guidelines
and Good Practices for implementing Environmental-Health Surveillance Systems
• More info about the project: http://thaleia.westgate.gr/enhance
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ICT and Civil Protection Senigallia, 18-19 June 2007
EHS System Overview
• GIS web-based survey system for environmental surveillance
• There are two parts– Administrative application addressed to scientific
experts for data entry– Application accessible to authorized users for
querying the system and monitoring pollution levels
• System Components– Application Web Server– Database (GIS data, environmental & meteorological
data)
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ICT and Civil Protection Senigallia, 18-19 June 2007
System Architecture
Queries to the database
Surveillance System Web site
Surveillance System
Database
Data Entry System
Authorized Users
Data EntryData storing
Data Retrieval
Data Retrieval
Query Submission
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ICT and Civil Protection Senigallia, 18-19 June 2007
EHSS Administration Pages
• Management of under study factors (environmental and epidemiological – e.g. CO, NO2, ARI etc):– Insert a new factor– Delete an existent factor– Modify a factor
• Input of records for the measured level of a factor– Manually for each record– Automatically for many records, using a file in a
predefined format
• Input of meteorological files as .met files
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ICT and Civil Protection Senigallia, 18-19 June 2007
EHSS Administration Pages - Screenshots
New Factor Insertion Form
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ICT and Civil Protection Senigallia, 18-19 June 2007
EHSS Administration Pages - Screenshots
Records Insertion Forms (manually)
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ICT and Civil Protection Senigallia, 18-19 June 2007
EHSS Surveillance Pages
• Query the system for the levels of the under study factors near the incinerators for a desired period– Statistics per day, month or year for the requested
period– Colored map representation of the factor levels (green,
yellow, red)– Two modes of surveillance: data measured in a specific
point (default) and data measured in a radius around the incinerator
– Alerts in case the level of the factor is higher than the maximum allowed. Meteorological data presented in this case
– CUSUM alert control• View all produced alerts classified per region,
factor and date
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ICT and Civil Protection Senigallia, 18-19 June 2007
EHSS Surveillance Pages - Screenshots
Query Form
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ICT and Civil Protection Senigallia, 18-19 June 2007
EHSS Surveillance Pages - Screenshots
Map Visualization of Factor’s Levels
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ICT and Civil Protection Senigallia, 18-19 June 2007
EHSS Surveillance Pages - Screenshots
Graphic Visualization of Factor’s Levels
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ICT and Civil Protection Senigallia, 18-19 June 2007
EHSS Surveillance Pages - Screenshots
View Alerts Page
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ICT and Civil Protection Senigallia, 18-19 June 2007
EHSS Surveillance Pages – Combinative Analysis
• How is environmental pollution related to health problems?
• The system allows a combinative analysis that helps scientists discover possible relations
• In case an alert is produced after a query about an environmental factor there is the option to view the results for the same query for all epidemiological factors and vice versa
• Scientists can compare the levels between environmental and epidemiological factors
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ICT and Civil Protection Senigallia, 18-19 June 2007
EHSS Surveillance Pages – CUSUM Analysis
• CUSUM: statistical control method in order to detect sharp changes in the level of a measured factor
• An alert is produced if a sharp change is detected
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ICT and Civil Protection Senigallia, 18-19 June 2007
Case Study
• The system was applied for specific territories of Italy, Poland and Hungary
• The waste incinerator plants, are located nearby urban settlements
• In case of Italy, as results are combined with the scientific evidences that are part of the strategy for Risk communication to citizens, a participative and sustainable policy model is currently under development
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ICT and Civil Protection Senigallia, 18-19 June 2007
Thank you!!!